How to get over a lover 101

Claude is about to go through what she consideres the worst trip of her life, when she catches eye of her loved one with someone else. At least, she'll finally have a reason to move on, but it is easier said than done as she witnessed him become all of what he promised not to.
For once, she's going to eventually understand the true cost of loving.

This is how to get over a lover 101.